💎SQL Reloaded: Copilot Stories (Part III: Formatting Code via Prompts)

When debugging poorly formatted code, usually it helps to format first the code before doing any other work on it. I observed in the previous post that Copilot can be used to restructure the code based on a set of commands that summarize the best practices. 

Example 1: Simple Query

Let's start with a simple example from the web: 

Prompt:
Format the below code by using the available SQL best practices
1) each join condition is written on its own line
2) the commas are placed at the beginning of each line
3) use 3 letter based aliases for all tables
4) compact the code by reducing the indentation

SELECT po.ExpectedDeliveryDate, po.OrderDate, pol.LastReceiptDate, pol.LastEditedWhen, p.ValidFrom, p.ValidTo FROM Purchasing.PurchaseOrders AS po JOIN Purchasing.PurchaseOrderLines AS pol ON pol.PurchaseOrderID = po.PurchaseOrderID JOIN Application.People AS p ON p.PersonID = po.ContactPersonID WHERE LastReceiptDate > '1/1/2016';

Output:

SELECT po.ExpectedDeliveryDate
    , po.OrderDate
    , pol.LastReceiptDate
    , pol.LastEditedWhen
    , p.ValidFrom
    , p.ValidTo
FROM Purchasing.PurchaseOrders AS po
JOIN Purchasing.PurchaseOrderLines AS pol
    ON pol.PurchaseOrderID = po.PurchaseOrderID
JOIN Application.People AS p
    ON p.PersonID = po.ContactPersonID
WHERE LastReceiptDate > '1/1/2016';

Of course, the colors were added by the hilite.me formatting to better identify the reserved words. The output of the above prompt is not exactly what I intended in 3), so repeating the slightly changed command seems to obtain the expected result. Even if a 3-letter alias was not used for all tables, the query looks better:

Prompt:
Use 3 letter based aliases for all tables.

Output:

SELECT po.ExpectedDeliveryDate
    , po.OrderDate
    , pol.LastReceiptDate
    , pol.LastEditedWhen
    , ppl.ValidFrom
    , ppl.ValidTo
FROM Purchasing.PurchaseOrders AS po
JOIN Purchasing.PurchaseOrderLines AS pol
    ON pol.PurchaseOrderID = po.PurchaseOrderID
JOIN Application.People AS ppl
    ON ppl.PersonID = po.ContactPersonID
WHERE LastReceiptDate > '1/1/2016';

The script looks good, though it would be great if we could align the constraints with the order of the tables.

Prompt:
Rewrite the query by using the first table from the join in the join constraint.

Output:

SELECT po.ExpectedDeliveryDate
    , po.OrderDate
    , pol.LastReceiptDate
    , pol.LastEditedWhen
    , ppl.ValidFrom
    , ppl.ValidTo
FROM Purchasing.PurchaseOrders AS po
JOIN Purchasing.PurchaseOrderLines AS pol
    ON po.PurchaseOrderID = pol.PurchaseOrderID
JOIN Application.People AS ppl
    ON po.ContactPersonID = ppl.PersonID
WHERE LastReceiptDate > '1/1/2016';

As observed in the last post, multiple scripts can be transformed withing the same prompt, especially when the statements were generated by Copilot as well. 

Example 2: Complex Dynamics AX Query

How about a more complex query? 
Let's consider the below query written for Dynamics AX:

Prompt:
Format the below code by using the available SQL best practices
1) each join condition is written on its own line
2) the commas are placed at the beginning of each line
3) use 3 letter based aliases for all tables
4) compact the code by reducing the indentation

SELECT ADR.DATAAREAID, DPT.FIRSTNAME, DPT.LASTNAME, DPT.LANGUAGEID, DPR.PartyId, DPR.IsPrimary, CASE DPR.Status WHEN 0 THEN 'Active' WHEN 1 THEN 'Inactive' END Status, NullIf(Cast(DPR.ValidFromDateTime as Date), '31-12-1900') ValidFromDateTime, NullIf(Cast(DPR.ValidToDateTime as Date), '30-12-2154') ValidToDateTime, DPR.Shared  , ADR.ADDRTABLEID , ADR.ADDRRECID , ADR.TYPE , CASE ADR.TYPE WHEN 0 THEN 'None' WHEN 1 THEN 'Invoice' WHEN 2 THEN 'Delivery'WHEN 3 THEN 'Alt. delivery'WHEN 4 THEN 'SWIFT'WHEN 5 THEN 'Payment' WHEN 6 THEN 'Service' WHEN 7 THEN 'Home' WHEN 8 THEN 'Other' WHEN 9 THEN 'Business' WHEN 10 THEN 'RemitTo' WHEN 11 THEN 'Third-party shipping address' END AddressDescription, ADR.NAME , ADR.ADDRESS , ADR.STREET, ADR.ZIPCODE , ADR.CITY , ADR.STATE , ADR.COUNTY , ADR.COUNTRYREGIONID , ADR.PHONE , ADR.TELEFAX , ADR.URL FROM ADDRESS ADR JOIN DIRPARTYADDRESSRELATIONSHI1066 DAC ON DAC.REFCOMPANYID = ADR.DATAAREAID and DAC.ADDRESSRECID = ADR.RECID and DAC.DATAAREAID = ADR.DATAAREAID JOIN DIRPARTYADDRESSRELATIONSHIP DPR on DPR.RECID = DAC.PARTYADDRESSRELATIONSHIPRECID and DPR.DATAAREAID = DAC.DATAAREAID JOIN DIRPARTYTABLE DPT on DPT.PARTYID = DPR.PARTYID and DPT.DATAAREAID = DPR.DATAAREAID  JOIN EmplTable EMP on DPT.PARTYID = EMP.PARTYID and DPT.DATAAREAID = EMP.DATAAREAID  

Output:

SELECT 
    ADR.DATAAREAID
    , DPT.FIRSTNAME
    , DPT.LASTNAME
    , DPT.LANGUAGEID
    , DPR.PartyId
    , DPR.IsPrimary
    , CASE DPR.Status 
        WHEN 0 THEN 'Active' 
        WHEN 1 THEN 'Inactive' 
      END AS Status
    , NullIf(Cast(DPR.ValidFromDateTime AS DATE), '31-12-1900') AS ValidFromDateTime
    , NullIf(Cast(DPR.ValidToDateTime AS DATE), '30-12-2154') AS ValidToDateTime
    , DPR.Shared
    , ADR.ADDRTABLEID
    , ADR.ADDRRECID
    , ADR.TYPE
    , CASE ADR.TYPE 
        WHEN 0 THEN 'None' 
        WHEN 1 THEN 'Invoice' 
        WHEN 2 THEN 'Delivery'
        WHEN 3 THEN 'Alt. delivery'
        WHEN 4 THEN 'SWIFT'
        WHEN 5 THEN 'Payment' 
        WHEN 6 THEN 'Service' 
        WHEN 7 THEN 'Home' 
        WHEN 8 THEN 'Other' 
        WHEN 9 THEN 'Business' 
        WHEN 10 THEN 'RemitTo' 
        WHEN 11 THEN 'Third-party shipping address' 
      END AS AddressDescription
    , ADR.NAME
    , ADR.ADDRESS
    , ADR.STREET
    , ADR.ZIPCODE
    , ADR.CITY
    , ADR.STATE
    , ADR.COUNTY
    , ADR.COUNTRYREGIONID
    , ADR.PHONE
    , ADR.TELEFAX
    , ADR.URL
FROM 
    ADDRESS ADR
JOIN 
    DIRPARTYADDRESSRELATIONSHI1066 DAC 
    ON DAC.REFCOMPANYID = ADR.DATAAREAID 
    AND DAC.ADDRESSRECID = ADR.RECID 
    AND DAC.DATAAREAID = ADR.DATAAREAID
JOIN 
    DIRPARTYADDRESSRELATIONSHIP DPR 
    ON DPR.RECID = DAC.PARTYADDRESSRELATIONSHIPRECID 
    AND DPR.DATAAREAID = DAC.DATAAREAID
JOIN 
    DIRPARTYTABLE DPT 
    ON DPT.PARTYID = DPR.PARTYID 
    AND DPT.DATAAREAID = DPR.DATAAREAID
JOIN 
    EmplTable EMP 
    ON DPT.PARTYID = EMP.PARTYID 
    AND DPT.DATAAREAID = EMP.DATAAREAID;

The query looks good, though it needs more transformations:

Input (to be run line by line):

Rewrite the query by writing names in camel with the beginning letter in upper case.
Rewrite the query by writing table aliases in upper case.

Output:

SELECT 
      ADR.DataAreaId
    , DPT.FirstName
    , DPT.LastName
    , DPT.LanguageId
    , DPR.PartyId
    , DPR.IsPrimary
    , CASE DPR.Status 
        WHEN 0 THEN 'Active' 
        WHEN 1 THEN 'Inactive' 
      END AS Status
    , NullIf(Cast(DPR.ValidFromDateTime AS DATE), '31-12-1900') AS ValidFromDateTime
    , NullIf(Cast(DPR.ValidToDateTime AS DATE), '30-12-2154') AS ValidToDateTime
    , DPR.Shared
    , ADR.AddrTableId
    , ADR.AddrRecId
    , ADR.Type
    , CASE ADR.Type 
        WHEN 0 THEN 'None' 
        WHEN 1 THEN 'Invoice' 
        WHEN 2 THEN 'Delivery' 
        WHEN 3 THEN 'Alt. Delivery' 
        WHEN 4 THEN 'Swift' 
        WHEN 5 THEN 'Payment' 
        WHEN 6 THEN 'Service' 
        WHEN 7 THEN 'Home' 
        WHEN 8 THEN 'Other' 
        WHEN 9 THEN 'Business' 
        WHEN 10 THEN 'RemitTo' 
        WHEN 11 THEN 'Third-Party Shipping Address' 
      END AS AddressDescription
    , ADR.Name
    , ADR.Address
    , ADR.Street
    , ADR.ZipCode
    , ADR.City
    , ADR.State
    , ADR.County
    , ADR.CountryRegionId
    , ADR.Phone
    , ADR.Telefax
    , ADR.Url
FROM 
    dbo.Address ADR
JOIN 
    dbo.DirPartyAddressRelationship1066 DAC 
    ON DAC.RefCompanyId = ADR.DataAreaId 
    AND DAC.AddressRecId = ADR.RecId 
    AND DAC.DataAreaId = ADR.DataAreaId
JOIN 
    dbo.DirPartyAddressRelationship DPR 
    ON DPR.RecId = DAC.PartyAddressRelationshipRecId 
    AND DPR.DataAreaId = DAC.DataAreaId
JOIN 
    dbo.DirPartyTable DPT 
    ON DPT.PartyId = DPR.PartyId 
    AND DPT.DataAreaId = DPR.DataAreaId
JOIN 
    dbo.EmplTable EMP 
    ON DPT.PartyId = EMP.PartyId 
    AND DPT.DataAreaId = EMP.DataAreaId;

Example 3: Simple X++ Query

How about code written in other languages (e.g. X++)?

I tried to transform the definition behind X++ form from Dynamics 365 for Finance without effect

    InventItemPurchSetup.CalendarDays = NoYes::No;
    InventItemPurchSetup.HighestQty = 0.00;
    InventItemPurchSetup.InventDimId = "AllBlank";
    InventItemPurchSetup.InventDimIdDefault = "AllBlank";
    InventItemPurchSetup.ItemId = "1000";
    InventItemPurchSetup.LeadTime = 0;
    InventItemPurchSetup.LowestQty = 0.00;
    InventItemPurchSetup.MandatoryInventLocation = NoYes::No;
    InventItemPurchSetup.MandatoryInventSite = NoYes::No;
    InventItemPurchSetup.MultipleQty = 0.00;
    InventItemPurchSetup.Override = NoYes::No;
    InventItemPurchSetup.StandardQty = 0.00;
    InventItemPurchSetup.Stopped = NoYes::No;
    InventItemPurchSetup.Sequence = 0;
    InventItemPurchSetup.OverrideDefaultStorageDimensions = NoYes::No;
    InventItemPurchSetup.SysRowVersionNumber = 0;
    InventItemPurchSetup.insert();

Multiple attempts were performed without any progress, though after a break I was able to apply the following transformations:

Prompts:

Replace the word "InventItemPurchSetup") with ", IPS." and remove the text after the equality sign.
Add a comma in front of each line and remove the semicolon at the end.

With a few manual change the code becomes:

SELECT IPS.CalendarDays 
, IPS.HighestQty 
, IPS.InventDimId 
, IPS.InventDimIdDefault 
, IPS.ItemId 
, IPS.LeadTime 
, IPS.LowestQty 
, IPS.MandatoryInventLocation 
, IPS.MandatoryInventSite 
, IPS.MultipleQty 
, IPS.Override 
, IPS.StandardQty 
, IPS.Stopped 
, IPS.Sequence 
, IPS.OverrideDefaultStorageDimensions 
, IPS.SysRowVersionNumber 
FROM dbo.InventItemPurchSetup IPs

The prompts reflect what I was doings in Excel manually via a replace, respectively the use of "Text to columns" functionality".

 

Probably, there's the opportunity to test further various ideas. Frankly, the transformation from upper case to camel could have helped me in the past a lot!

Disclaimer:
The queries were not tested after the changes were performed (because of unavailability of the systems).

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💎SQL Reloaded: Copilot Stories (Part II: Create a Schema for Customer Addresses)

Since the first post on a related topic, Copilot became available in Microsoft 365, and this opens the door for prompt engineering experiments. A prompt is a "natural language instruction that tells a large language model (LLM) to perform a task" [1], process also known as instruction tuning. Prompt engineering is thus "the process of creating and refining the prompt used by the model" [1].

For example, one can use Prompt Engineering to learn how to perform certain tasks in a programming language like SQL: learning how to define a table, write a query and database objects, etc. In a first experiment I created a set of prompts for creating a set of objects to store and perform CRUD (Create, Read, Update, Delete) operations. The experiment focused on Customer Addresses, Countries, Regions. Let's look at the prompts and their outputs. The following prompts depict the attempts in the order in which they were considered, so feel free to experiment!

Before Copilot, I used macros in Excel or stored procedures to generate similar code. which allowed me to reduce considerably the development time.

Prompt:
Give me the definition of a SQL Server stored procedure for updating the Customers from the dbo schema based on input parameters

Output:

CREATE PROCEDURE UpdateCustomer
    @CustomerID INT,
    @CustomerName NVARCHAR(100),
    @ContactName NVARCHAR(100),
    @Country NVARCHAR(50)
AS
BEGIN
    UPDATE dbo.Customers
    SET 
        CustomerName = @CustomerName,
        ContactName = @ContactName,
        Country = @Country
    WHERE 
        CustomerID = @CustomerID;
END;

Prompt:
Give me the definition of a SQL Server stored procedure for inserting Customers in the dbo schema based on input parameters.

Output:

CREATE PROCEDURE InsertCustomer
    @CustomerName NVARCHAR(100),
    @ContactName NVARCHAR(100),
    @Country NVARCHAR(50)
AS
BEGIN
    INSERT INTO dbo.Customers (CustomerName, ContactName, Country)
    VALUES (@CustomerName, @ContactName, @Country);
END;

Prompt:
Give me the definition of a SQL Server stored procedure for deleting a Customers from the dbo schema based on Customer Id.

Output:

CREATE PROCEDURE DeleteCustomer
    @CustomerID INT
AS
BEGIN
    DELETE FROM dbo.Customers
    WHERE CustomerID = @CustomerID;
END;

Prompt:
Give me the definition of the SQL Server table used for the above examples.

Output:

CREATE TABLE dbo.Customers (
    CustomerID INT IDENTITY(1,1) PRIMARY KEY,
    CustomerName NVARCHAR(100) NOT NULL,
    ContactName NVARCHAR(100),
    Country NVARCHAR(50)
);

Prompt:
Extend the definition of the previous table with Address information

Output:

CREATE TABLE dbo.Customers (
    CustomerID INT IDENTITY(1,1) PRIMARY KEY,
    CustomerName NVARCHAR(100) NOT NULL,
    ContactName NVARCHAR(100),
    Country NVARCHAR(50),
    AddressLine1 NVARCHAR(200),
    AddressLine2 NVARCHAR(200),
    City NVARCHAR(100),
    State NVARCHAR(100),
    PostalCode NVARCHAR(20)
);

Prompt:
Remove the Address information from the above table into a separate Addresses table with the Customer Id as foreign key.

Output:

-- Modified Customers Table:
CREATE TABLE dbo.Customers (
    CustomerID INT IDENTITY(1,1) PRIMARY KEY,
    CustomerName NVARCHAR(100) NOT NULL,
    ContactName NVARCHAR(100),
    Country NVARCHAR(50)
);

-- New Addresses Table:
CREATE TABLE dbo.Addresses (
    AddressID INT IDENTITY(1,1) PRIMARY KEY,
    CustomerID INT,
    AddressLine1 NVARCHAR(200),
    AddressLine2 NVARCHAR(200),
    City NVARCHAR(100),
    State NVARCHAR(100),
    PostalCode NVARCHAR(20),
    FOREIGN KEY (CustomerID) REFERENCES dbo.Customers(CustomerID)
);

Prompt:
Create a Countries table that can be referenced from the Addresses table with Country ISO codes.

Output:

--Create the Countries Table:
CREATE TABLE dbo.Countries (
    CountryCode CHAR(2) PRIMARY KEY, -- ISO 3166-1 alpha-2 code
    CountryName NVARCHAR(100) NOT NULL
);

--Modify the Addresses Table:
CREATE TABLE dbo.Addresses (
    AddressID INT IDENTITY(1,1) PRIMARY KEY,
    CustomerID INT,
    AddressLine1 NVARCHAR(200),
    AddressLine2 NVARCHAR(200),
    City NVARCHAR(100),
    State NVARCHAR(100),
    PostalCode NVARCHAR(20),
    CountryCode CHAR(2),
    FOREIGN KEY (CustomerID) REFERENCES dbo.Customers(CustomerID),
    FOREIGN KEY (CountryCode) REFERENCES dbo.Countries(CountryCode)
);

Prompt:
Extend the Countries table with ISO 3 characters code and ISO Number.

Output:

CREATE TABLE dbo.Countries (
    CountryCode CHAR(2) PRIMARY KEY, -- ISO 3166-1 alpha-2 code
    CountryName NVARCHAR(100) NOT NULL,
    ISO3Code CHAR(3), -- ISO 3166-1 alpha-3 code
    ISONumericCode INT -- ISO 3166-1 numeric code
);

Prompt:
Create a Regions table with Region code and description that allows to group the countries in territories. A country can be assigned to multiple regions.

Output:

-- Create the Regions Table:
CREATE TABLE dbo.Regions (
    RegionCode CHAR(3) PRIMARY KEY,
    RegionDescription NVARCHAR(100) NOT NULL
);

-- Create the Countries Table (including the previous columns):
CREATE TABLE dbo.Countries (
    CountryCode CHAR(2) PRIMARY KEY, -- ISO 3166-1 alpha-2 code
    CountryName NVARCHAR(100) NOT NULL,
    ISO3Code CHAR(3), -- ISO 3166-1 alpha-3 code
    ISONumericCode INT -- ISO 3166-1 numeric code
);

-- Create the CountryRegions Junction Table:
CREATE TABLE dbo.CountryRegions (
    CountryCode CHAR(2),
    RegionCode CHAR(3),
    PRIMARY KEY (CountryCode, RegionCode),
    FOREIGN KEY (CountryCode) REFERENCES dbo.Countries(CountryCode),
    FOREIGN KEY (RegionCode) REFERENCES dbo.Regions(RegionCode)
);

Prompt:
Create a view based on Customers that includes all the above tables

Output:

CREATE VIEW CustomerDetails AS
SELECT 
    c.CustomerID,
    c.CustomerName,
    c.ContactName,
    a.AddressLine1,
    a.AddressLine2,
    a.City,
    a.State,
    a.PostalCode,
    co.CountryCode,
    co.CountryName,
    co.ISO3Code,
    co.ISONumericCode,
    r.RegionCode,
    r.RegionDescription
FROM 
    dbo.Customers c
LEFT JOIN 
    dbo.Addresses a ON c.CustomerID = a.CustomerID
LEFT JOIN 
    dbo.Countries co ON a.CountryCode = co.CountryCode
LEFT JOIN 
    dbo.CountryRegions cr ON co.CountryCode = cr.CountryCode
LEFT JOIN 
    dbo.Regions r ON cr.RegionCode = r.RegionCode;

Prompt:
In the above view use 3 letter encoding for table's name

Output:

CREATE VIEW CustomerDetails AS
SELECT 
    cus.CustomerID,
    cus.CustomerName,
    cus.ContactName,
    add.AddressLine1,
    add.AddressLine2,
    add.City,
    add.State,
    add.PostalCode,
    cou.CountryCode,
    cou.CountryName,
    cou.ISO3Code,
    cou.ISONumericCode,
    reg.RegionCode,
    reg.RegionDescription
FROM 
    dbo.Customers cus
LEFT JOIN 
    dbo.Addresses add ON cus.CustomerID = add.CustomerID
LEFT JOIN 
    dbo.Countries cou ON add.CountryCode = cou.CountryCode
LEFT JOIN 
    dbo.CountryRegions cr ON cou.CountryCode = cr.CountryCode
LEFT JOIN 
    dbo.Regions reg ON cr.RegionCode = reg.RegionCode;

Unfortunately, the definition uses the "add" reserved word for addresses as prefix. Therefore, the following prompt:

Prompt:
Modify the above view to use 3-letter aliases that aren't as reserved words

Output:

CREATE VIEW dbo.CustomerDetails AS
SELECT 
    cus.CustomerID, -- Customer ID
    cus.CustomerName, -- Customer name
    cus.ContactName, -- Contact name
    adr.AddressLine1, -- First line of the address
    adr.AddressLine2, -- Second line of the address
    adr.City, -- City of the address
    adr.State, -- State or region of the address
    adr.PostalCode, -- Postal or ZIP code of the address
    cou.CountryCode, -- Country code
    cou.CountryName, -- Country name
    cou.ISO3Code, -- ISO 3166-1 alpha-3 code
    cou.ISONumericCode, -- ISO 3166-1 numeric code
    reg.RegionCode, -- Region code
    reg.RegionDescription -- Region description
FROM 
    dbo.Customers cus
LEFT JOIN 
    dbo.Addresses adr ON cus.CustomerID = adr.CustomerID
LEFT JOIN 
    dbo.Countries cou ON adr.CountryCode = cou.CountryCode
LEFT JOIN 
    dbo.CountryRegions cr ON cou.CountryCode = cr.CountryCode
LEFT JOIN 
    dbo.Regions reg ON cr.RegionCode = reg.RegionCode;

Prompt:
Modify the schema of the above objects to include the schema name.

Prompt:
Change the definition of the above tables and test whether the tables already exists.

Prompt:
Annotate the definition of the above objects with a comment.

Prompt:
Generate the scripts for inserting 10 customers with different addresses in the above tables.

Prompt:
Aggregate the update and insert commands into the same stored procedure.

Output:

CREATE PROCEDURE dbo.UpsertCustomer
    @CustomerID INT = NULL, -- Optional parameter for insert
    @CustomerName NVARCHAR(100),
    @ContactName NVARCHAR(100),
    @Country NVARCHAR(50)
AS
BEGIN
    IF EXISTS (SELECT 1 FROM dbo.Customers WHERE CustomerID = @CustomerID)
    BEGIN
        -- Update existing customer
        UPDATE dbo.Customers
        SET 
            CustomerName = @CustomerName,
            ContactName = @ContactName,
            Country = @Country
        WHERE 
            CustomerID = @CustomerID;
    END
    ELSE
    BEGIN
        -- Insert new customer
        INSERT INTO dbo.Customers (CustomerName, ContactName, Country)
        VALUES (@CustomerName, @ContactName, @Country);
    END
END;

I used to create similar code in the past to consolidate the logic for inserts and updates within the same stored procedure. This allows to reduce the number of objects created in a database and minimize the impact of some other issues (e.g. code duplication for validation).

I also use the comma before each line of text where it applies (and not at the end). However, this can be addressed with the following prompt:

Prompt: 
Rewrite the above database objects by butting the comma in front of each line where it applies.

Prompt:
Modify the view so each join condition is written on its own line.

Prompt:
Modify the view with create or alter command.

Prompt:
Modify the view to check for null values.

Comments:
1) I could use the scripts also in a SQL database, though one must pay attention to the order in which the steps must be run.
2) All these are basic steps; so, a natural question: how far can we go? One can generate further objects, and knowledge about the data model seems to be available in Copilot, though normal data models are much more complex than this! Probably, there's a limit beyond which Copilot will start to be inefficient as long the data model is not available explicitly. SQL Server Copilot would help probably to overcome such limitations, though the feature is still in limited preview.
3) I wonder whether given a set of best practices, Copilot will be able to use them and create the CRUD objects accordingly. More experiments are needed though.
4) It will be interesting to observe how much the prompts generated by other people lead to similar or different outcomes. (I observed that nontechnical prompts generated in the past different outcomes.)
5) The fact that I was able to change some formatting (e.g. comma before each line) for all objects with just a prompt frankly made my day! I can't stress enough how many hours of work the unformatted code required in the past! It will be interesting to check if this can be applied also to a complex database schema.

Happy coding!

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References:
[1] Microsoft 365 (2024) Overview of prompts [link]

Resources:
[R1] Microsoft 365 (2025) Microsoft 365 Copilot release notes [link]
[R2] Microsoft 365 (2025) What’s new in Microsoft 365 Copilot | Jan 2025 [link]
[R3] Microsoft 365 (2025) Copilot is now included in Microsoft 365 Personal and Family [link]

Acronyms:
LLM - large language model
CRUD - Create, Read, Update, Delete